import java.util.Scanner;
abstract class ADetect{
    public abstract  boolean detect(double sample);
}
class TPDetect extends ADetect {
    final double MINTP = 36.0;
    final double MAXTP = 37.5;

    public boolean detect(double tp) {
        boolean r = false;
        if (tp > MAXTP) {
            r = false;
        } else if (tp < MINTP) {
            r = false;
        } else {
            r = true;

        }
        return r;
    }
}
public class Main {
    public static void main(String[] args) {
         TPDetect tpd= new  TPDetect();
         Scanner in=new Scanner(System.in);
         System.out.println("请输入体温：");
         double temp=in.nextDouble();
         boolean b=tpd.detect(temp);
                 if(b==true){
                     System.out.print("体温正常");
                 }
                 else{
                     System.out.println("体温异常");
                 }
    }
}